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I got tired of wasting WD40, spraying way too much, or forgetting to spray, etc, so I created this simple little device. It provides a little WD40 exactly where it needs to be in the right amount for cutter lubrication, and improved surface finish on Aluminum. You can mount this on any CNC make and model Home CNC machine, you just need to make the appropriate mount.
Does it help cutters last? Well I am still using the SAME 1/4inch 4 flute end mill that I bought for the machine back in Nov 2015.
I HIGHLY recommend that you ONLY use coated cutters.
Additional information can be located at the Carbide3D Community forum, just search for me OR WD40 Drip Can (e.g Sketch for the Shapeoko3 Mount, etc.)
As always, leave me a message if you have any questions.
List of Material:
1. A 3-oz can of WD40 Lowes SKU 569152
2. 3/16 or 1/8 Brass Pipe (about 4 inches) Lowes SKU 364224
3. 1/4 In OD X 1/8 In. MIP Valve. Lowes SKU 748440
4. Some lead/tin solder and flux
5. 1 Inch of 1/4 OD Copper Pipe (Ref Ice maker kit)
6. Some old small magnets
7. Some Hot Glue
8. Salt (table)
9. Masking tape
10. 6 inches of a metal coat hanger (OR 12 gage copper wire)
Feel free to follow me: (Where I post more often, but smaller updates)
My Instagram link: / jpl_richard
My Twitter Link: / jpl_richard